Talk: Fedora 42 Workstation installer doesn’t support Fedora re-installation on MBR disks | MBR to GPT

[kparal (Kamil Páral)]

Please see the Common Issue for solution/workarounds:

Fedora 42 Workstation installer doesn't support Fedora re-installation on MBR disks

Problem Fedora 42 Workstation features a new “webUI” installer front-end, which offers a new installation option “Reinstall Fedora”. This will reinstall the existing Fedora system, but will keep user files (in their home) intact. However, this option is currently not supported on disks with MBR partition table. If you don’t see the “Reinstall Fedora” option as illustrated below, this can be one of the reasons why. [Reinstall Fedora option in the "webUI" installer] Cause Full support for MBR …